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Meriaura managed to reduce its ships’ emissions by 11.2 percent during 2022 compared to the previous year. Emissions per ton of transported cargo per nautical mile decreased by 7.8 % for the bulk fleet and a respectable 20.6 % for deck cargo ships. Success in reducing emissions is a sum of many small things together, the most important of which are the minimization of ballast trips, the maximization of utilization rate of the ship’s cargo capacity and efficiency in port operations.

The biggest source of emissions for a shipping company is ship fuel. Meriaura therefore closely monitors ship emissions and relates them to the transport work performed. During 2021, the company developed software for monitoring CO2 emissions and a monitoring system for the entire fleet. Emissions per ton of transported cargo per nautical mile, or “tonne mile” in short, was selected as the most reasonable monitoring unit.

“Data for the entire fleet has now been collected for two whole years, and we can say with great satisfaction that we have significantly exceeded our annual emission reduction goal of four percent for 2022,” says Beppe Rosin, CEO of Meriaura. “What makes me very proud, is that at the same time, Meriaura was able to grow and make a very good financial result, which emphasizes the importance of the achievement, as emissions usually increase in times of high market activity.”

The tonne-mile emission was reduced by 7.8 % for the bulk fleet. Success in the minimization of ballast trips is based on the correct and carefully selected traffic area, as well as a suitable and homogeneous fleet. “Customers are in a key position, because they decide where the cargoes need to be taken. The customer’s batch sizes must also correspond as well as possible to the cargo capacity of the ships. Harmony in the customer portfolio creates synergy,” says Chief Operating Officer Mathias Landor. The digital application Nautic Ai Fleetrange plays an important role in the planning and optimization of ship programs. Competent onboard staff guarantees economical driving. Efficient port operations reduce the waiting time at ports and enable economic driving on sea legs, which saves fuel and reduces emissions.

Emissions from deck and special cargo vessels decreased by 20.6 % compared to 2021. The marked improvement is partly explained by the fact that in 2021 the result was worsened by a long time charter period, that also made it difficult to plan the spot charter. In 2022, expensive fuel encouraged driving with ecospeed, and the so-called “Virtual Arrival” was introduced, which means that the arrival is adapted to the readiness of the port to start cargo operations instead of rushing to wait. The docking of both deck cargo ships in early 2022 also helped to lower the fuel consumption, as a sound coating of the hull reduces fuel consumption. The chartering profile has also changed from before: in 2022, deck cargo ships made more long-distance transports, for example to Spain, which is not part of Meriaura’s everyday traffic area. In this case, the share of ballast trips decreases in relation to carrying cargo.

Meriaura has been working for years in the development of low-carbon sea transport. Last year’s result proves the work has been successful. “Achieving the emission reduction targets, i.e. the continuous reduction of emissions also in the coming years, requires not only further improvement in operational efficiency, but also an increase in the use of renewable fuels. We have increased the use of our inhouse waste-based biofuel during the beginning of 2023,” says Beppe Rosin. In addition to the EcoCoaster ships, the deck cargo ship Meri also uses biofuel again. When running on 100% biofuel, the fuel-related life-cycle emissions of sea transport are almost 98% lower compared to fossil fuels.


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